28099908

素因数分解:

$2^2\times 3^2\times {\mathrm{780553}}^1$

素因数の和:780563

約数の個数: 18

約数和(自身を含む): 71030414

約数和(自身を除く): 42930506

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 780553, 1561106, 2341659, 3122212, 4683318, 7024977, 9366636, 14049954, 28099908]

約数ペア:

[(1, 28099908), (2, 14049954), (3, 9366636), (4, 7024977), (6, 4683318), (9, 3122212), (12, 2341659), (18, 1561106), (36, 780553)]